Prairie County, Montana

administration
Prairie County Courthouse
US state :	Montana
Administrative headquarters :	Terry
Foundation :	1915
Demographics
Residents :	1179 (2010)
Population density :	0.3 inhabitants / km ²
geography
Total area :	4513 km²
Water surface :	16 km²
map

Prairie County is a county in the state of Montana in the United States . The county seat is in Terry .

Demographic data

growth of population
Census	Residents	± in%
1920	3684	-
1930	3941	7%
1940	2410	-38.8%
1950	2377	-1.4%
1960	2318	-2.5%
1970	1752	-24.4%
1980	1836	4.8%
1990	1383	-24.7%
2000	1199	-13.3%
2010	1179	-1.7%
1900–1990 2000 + 2010 Prairie County's age pyramid (as of 2000)

As of the 2000 census , the county had 1,199 people. There were 537 households and 354 families. The population density was less than 1 person per square kilometer. The racial the population was composed of 98.00% White, 0.00% African American, 0.50% Native American, 0.17% Asian, 0.00% Pacific Islander, and 0.17% other races Groups; 1.17% were from two or more races. Hispanic or Latino of any race was 0.67% of the population.

Of the 537 households, 22.30% had children and adolescents under the age of 18 living with them. 61.10% were married couples living together, 2.40% were single mothers. 33.90% were not families. 31.30% are single households and 17.30% have someone who is 65 years of age or older. The average household size was 2.19 and the average family size was 2.74 people.

For the entire county, the population was 18.70% below the age of 18, 4.30% between 18 and 24, 20.00% between 25 and 44, and 32.90% between 45 and 64 24.10% were 65 years of age or over. The median age was 49 years. For every 100 females there were 106.70 males, and for every 100 females aged 18 and over there were 106.10 males.

The median income for a household in the county is $ 25,451 , and the median income for a family is $ 32,292. Males had a median income of $ 22,424 versus $ 18,833 for females. The per capita income was $ 14,422. 17.20% of the population and 13.30% of families are below the poverty line. 23.60% of these were under 18 years of age and 15.50% were 65 years of age or older.